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Finding the Fourth Proportional to 7,208.72, 10,814.72 and 3,049.08

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Solution

The fourth proportional to 7,208.72, 10,814.72 and 3,049.08 is: 4,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.72 : 10,814.72 = 3,049.08 : x
  2. Step 2: Convert to fraction form
    7,208.72/10,814.72 = 3,049.08/x
  3. Step 3: Cross multiply
    7,208.72x = 10,814.72 × 3,049.08
  4. Step 4: Simplify right side
    7,208.72x = 32,974,946.46
  5. Step 5: Solve for x
    x = 32,974,946.46/7,208.72
  6. Step 6: Final answer
    x = 4,574.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.